a9f0557 ipatests: ui_driver: convert run_cmd_on_ui_host to tasks.py::run_ssh_cmd

Authored and Committed by François Cami 3 years ago
    ipatests: ui_driver: convert run_cmd_on_ui_host to tasks.py::run_ssh_cmd
    
    Paramiko is not compatible with FIPS.
    Migrate run_cmd_on_ui_host to the OpenSSH CLI SSH(1) using
    tasks.py's run_ssh_cmd.
    Rationale: this is exactly what clients use.
    
    Fixes: https://pagure.io/freeipa/issue/8129
    Signed-off-by: François Cami <fcami@redhat.com>
    Reviewed-By: Mohammad Rizwan <myusuf@redhat.com>
    Reviewed-By: Michal Polovka <mpolovka@redhat.com>